Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
  • H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
  • H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
  • H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
  • G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
  • G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
  • G02B6/502—Installation methods in fluid conducts, e.g. pipelines
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
  • H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
  • H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
  • H02G1/086—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using fluid as pulling means, e.g. liquid, pressurised gas or suction means

Definitions

• the present invention relates to a device for laying an object to be laid such as a cable outside the pipe along the pipe or for handling an inflammable substance such as an organic solvent, and for transporting an object in a place where an electric motor cannot be used. More specifically, the present invention relates to a device for laying or transporting a cable or an object connected to a moving body by propelling the moving body in a pipe with compressed air or a traction line.
• cables and the like have been laid in the pipe by placing cables and the like in the laid pipe and passing compressed air and bamboo.
• this laying method not only lays cables and the like outside the pipe, but also lays heavy cables such as power lines and control lines between the electric room in the building and the electric equipment on site. It was impossible to do.
• a large number of workers were previously arranged between the electric room and the electric equipment, and the cables were handed over manually.
• the first worker pulls the cable by holding the cable head at the end of the cable wound on the cable drum, and pulls the cable about 20 meters away. Handed over the cable head to the next worker in the office, and the next worker pulled the cable head in the same way and took over to the next worker. After the cable head has passed through the laying place and the cable has been pulled to the destination, the cable is moved to a specified location on a rack or the like by the hands of all the workers in place according to the call of the worker's leader. Was moved to the position. For this reason, the conventional laying work required a large number of personnel and a long time.
• Another object of the present invention is to provide a laying or carrying device that can be efficiently and safely carried out even when laying or carrying on a high place, a complicated place or a course. Disclosure of the invention
• the laying or transporting device using compressed air of the present invention includes a pipe 9 having a cut 6 in the longitudinal direction over the entire length, and a pipe 9 inserted into the pipe 9 and fed into the pipe 9.
• the movable body 23 that can move inside the pipe 9 by the compressed air that flows through it, and the cable-like covering at the tip that is connected to the movable body 23 inside the pipe 9 and that is located outside the pipe 9 through the cut 6 It is provided with a laid object 15 (FIG. 8) or a connecting member 1 to which an object is connected.
• the sealing wire 8 capable of closing the gap 6 is arranged in the pipe 9 over the entire length of the pipe, and the guide groove 7 for guiding the sealing wire 8 so as to close the gap 6 when the moving body 23 moves is provided in the moving body.
• it is provided at 23.
• the moving body 23 is inserted into the pipe 9, the connecting member 1 is taken out of the pipe through the cut 6, and the object 15 is connected to the tip thereof.
• the body 23 is propelled, and at the same time the object 15 outside the pive is towed and laid.
• the laying or carrying device using the tow line according to the present invention includes a pipe 49 having a cut 46 in the longitudinal direction over the entire length, and a pipe 4 inserted into the pipe 49. 9 and a base object connected to the mobile body 63 in the pipe 49, and the object to be laid at the tip located outside the pipe 49 through the cut 46.
• the first traction line 51 is wired along the pipe 49 from the end of the eve 49 and connected to the connection member 41.
• a second traction line 52 wired from the beginning of the pipe 49 along the pipe 49 and connected to the moving body 63 should be provided. Is preferred.
• the connecting member 41 After inserting the moving body 6 3 into the pipe from the beginning of the pipe 49, the connecting member 41 is taken out of the pipe from the cut 46, and the first towing line 51 is connected to the connecting member 41, Further, an object to be laid 55 is connected to the tip.
• the first tow line 51 is pulled from the end of the pipe 49, the moving object 63 is propelled, and at the same time, the object 55 outside the pipe is towed and laid from the beginning to the end of the pipe 49.
• the second towing line 52 When laying a second object to be laid (not shown), the second towing line 52 is towed to return the moving body 63 to the beginning of the pipe 49, and then the first towing line 51 is towed.
• a second laying object is laid in the same manner.
• FIG. 1 is a perspective view of a first embodiment of the present invention, in which main parts are cut away.
• FIG. 2 is a sectional view taken along line AA of FIG.
• FIG. 3 is a side view of the moving body of the first embodiment of the present invention.
• FIG. 4 is a cross-sectional view of a main part taken along line BB of FIG.
• FIG. 5 is a side view showing the connection status of the pipes of the first embodiment of the present invention.
• Fig. 6 is a new view of the line C-C in Fig. 5.
• FIG. 7 is a sectional view taken along line DD of FIG.
• the first embodiment device is a front view showing the Quai one table laying situation according to the second embodiment device.
• FIG. 10 is a side view showing a cable laying state by the device of the second embodiment.
• FIG. 11 is a cross-sectional view corresponding to FIG. 4 and showing a sealing state of the sealing wire rod of the device of the third embodiment.
• FIG. 12 is a cross-sectional view corresponding to FIG. 4 and showing a sealing state of the sealing wire rod of the device of the fourth embodiment.
• FIG. 13 is a perspective view in which a main part of the device of the fifth embodiment is cut away.
• FIG. 14 is a perspective view in which main parts of the device of the sixth embodiment are cut away.
• FIG. 15 is a side view showing a cable laying state by the device of the fifth embodiment.
• the pipe 9 of the first embodiment is a pipe for jet-pulling propulsion, which is made of stainless steel and has a longitudinal cut 6 over the entire length of the pipe. .
• a moving body 23 that can be moved (jetted) by compressed air sent into the eve is inserted.
• a sealing wire 8 made of a rubber wire having a circular cross section capable of closing the cut 6 is arranged over the entire length of the pipe.
• a plurality of buses 9 are connected according to the cable laying distance.
• the distal end of the connecting pipe 9 b is connected to the base end of the connected pipe 9 a by the connecting pipe 32.
• the connecting pipe 32 is configured to close the joint 33 between the pipes 9a and 9b, leaving a cut 6 between the connected pipe 9a and the connecting pipe 9b.
• the connecting pipe 32 has a cut 32 a wider than the cut 6 over the entire length of the pipe.
• One end of the connection pipe 32 is welded to the base end of the connected pipe 9a so that the cut 6 is located at the center of the cut 32a, and a pair of the other ends of the connection pipe 32 are welded.
• a first pedestal 34 is provided.
• a pair of second pedestals 35 is provided on the outer surface of the tip of the connecting pipe 9b.
• the pedestals 34 and 35 are U-shaped, respectively, and are welded to the outer surface of the pipe.
• a bin 34a is provided in a direction orthogonal to the pipe, and a base end of a screw 36 is pivotally connected to the bin 34a.
• the screw 36 has a length that reaches the second pedestal 35 in a state where the proximal end of the pipe 9a and the distal end of the pipe 9b are connected.
• the connecting pipe 9b is inserted into the open end of the connecting pipe 32 welded to the connected pipe 9a.
• both pipes 9a and 9b With both pipes 9a and 9b connected to each other, insert the tip of the screw 36 between the second pedestals 35 and insert the screw 36 between the two pedestals 3 4 and 3 5 After erection, the nut 37 is assembled. By tightening the nut 37, the two pipes 9a and 9b are in close contact with each other, and there is no gap in the seam 33.
• a pair of second pedestals 35 is provided on the outer surface of the other end of the connection pipe 32, and a pair of first pedestals 34 on which the base end of the screw 36 is pivotally mounted is provided on the outer surface of the tip of the connection pipe 9b. You may ask.
• the moving body 23 has a central axis 29 whose axis coincides with the center of the pipe.
• a ring 5 is fixed to the tip of the center shaft 29, a large number of bearing cases 2a are fixed to the center of the center shaft 29, and a seal portion 26 is fixed to the base end of the center shaft 29. .
• the ring 5 is used for drawing the wire 8 for a sinole into the pipe 9 after the pipe 9 is installed.
• the bearing cases 2a are provided radially in three rows in the center axis direction at equal intervals of 120 degrees around the center axis 29, and three bearings are provided in each row. There will be a total of nine each. In these bearing cases 2a, bearing balls 2b capable of rolling on the inner surface of the pipe are accommodated.
• the seal part 26 has a plurality of synthetic rubbers 3 and sponges 4 each having an outer diameter corresponding to the inner diameter of the pipe 9.
• the seal part 26 forms a composite plate by alternately arranging the synthetic rubber 3 and the sponge 4, and the iron plate 12 is arranged on both sides of the composite plate, and the nut 10 Oa is attached to a bolt 10 a that penetrates the composite plate. It is constituted by screwing together. As a result, the seal portion 26 comes into contact with the inner surface of the pipe 9 so as to maintain the airtightness.
• a guide groove 7 for guiding a wire formed in a longitudinal direction of the pipe 9 is formed in a part of the seal portion 26.
• the guide groove 7 has the width of the outer diameter of the sealing wire 8, and the sealing wire 8 is inserted into the groove 7.
• Two wire holding rings 11 are fixed at the center of the center axis 29 at intervals.
• a wire 1 as a connecting member is inserted into the two rings 11.
• Wire 1 extends out of pive 9 through cut 8.
• a ring 1a for attaching a cable head 30 is attached.
• a number of guide rollers 24 are installed at intervals of about 2 meters from the point to the end point.
• the guide roller 24 is for pulling the cable with a small resistance, and includes a pair of movable horizontal rollers 24 a and a pair of vertical rollers 24 b spaced apart.
• the horizontal roller 24a and the vertical roller 24b are configured to freely rotate.
• a large number of pipes 9 are attached along the rack 13 from the start point to the end point of the cable laying via the pipe holder 17 and the attachment 16.
• the connection between the pipes is made by the connection vibrator 32 described above. At this time, all the pipes 9 are piped so that the cut 6 becomes the lowest in the section of the pipe as shown in FIGS.
• the distal end of the wire 9 for the seal is moored to the ring 5 of the moving body 2 3, and the wire 8 for the seal is inserted into the guide groove 7 of the seal portion 26.
• the moving body 23 is inserted from.
• the ring 1 a at the end of the wire 1 is taken out from the cut 6, and the wire 1 is grasped by hand to move the moving body 23 into the pipe 9.
• the wire 8 for the sheath is inserted into the pipe 9 over the entire length of the pipe.
• the height of the guide roller 24 and the pipe 9 is adjusted by the attachment 16.
• Reference numeral 27 denotes a cable laid on the rack 13.
• a drum 20 having a compressor 20 wound around a cable is arranged near the base end of the pipe 9.
• An air hose 21 is connected to the compressor 20 via an air adjustment valve 19.
• the moving body 23 is inserted again from the base end of the pipe 9, the wire 8 for the sheath is inserted into the guide groove 7, and the ring 1 a at the tip of the wire 1 is put out from the cut 6.
• the tip of the air hose 21 is connected to the base end of the pipe 9 via the connector 22.
• cable 15 is an electric cable.
• the airtightness in the pipe 9 from the connector 22 of the air hose 21 to the moving body 23 is increased, and the compressed air does not leak out of the pipe.
• the air pressure is maintained, and the moving body 23 advances smoothly.
• the moving body 23 is accelerated, and the cable 15 is pulled to the target place.
• the worker at the end point contacts the worker at the start point by communication means such as a telephone, and the air adjustment valve 19 is closed.
• FIGS. 9 and 10 show a second embodiment of the present invention.
• the same reference numerals as in FIGS. 1 to 4 and 8 denote the same parts.
• the characteristic configuration of this example is that the deflector 25 is attached in the middle of the wire 1 outside the pipe 9.
• the deflection tool 25 is made of a small pive made of metal, and the base end of the small pive is formed to be curved toward the outside of the guide roller 24 as shown in FIG.
• the deflector 25 is attached to a U-shaped channel 25 a provided in the middle of the wire 1. 14 is the already laid cable and 15 is the newly laid cable.
• the horizontal roller 24a does not rotate freely, so the second cable 1 to be laid next 5 traction resistance increases. For this reason, after holding the pipe 9 by the holding plate 28, first, the cable 14 already laid in the deflector 25 is inserted. Next, the cable head 30 of the cable 15 to be newly laid at the end of the wire 1 is hooked in the same manner as in the above embodiment, and compressed air is introduced into the pipe 9 as in the above embodiment. As a result, when the moving body 23 is propelled, the cable 14 already laid is removed from the guide roller 24 by the deflector 25 and laid directly on the rack 13. Can rotate freely. In this state, a new cable 15 is laid next on the guide roller 24. Although not shown, when laying the third cable, the cable 15 is locked to the deflector 25 and laid similarly.
• FIG. 11 shows a third embodiment. 11, the same reference numerals as those in FIG. 4 denote the same parts.
• the characteristic configuration of this example is that the cut 6 has a width corresponding to the outer diameter of the sealing wire 8 and the cut covering plate 31 that narrows the width of the cut 6 is welded to the outer surface of the pipe 9. is there.
• plates 31 are welded from both sides of the cut 6 over the entire length of the pipe 9.
• the guide wire 7 drops the wire 8 for the screen into the cut 6 and the pipe 9 Even if is curved, the sealing wire 8 does not come off from the cut 6.
• FIG. 12 shows a fourth embodiment. 12, the same reference numerals as those in FIG. 4 denote the same parts.
• a characteristic configuration of this example is that a locking portion 8a that locks to the cut 6 is provided in the sealing wire 8 physically.
• the locking portion 8a is a flat rubber having an L-shaped cross section, and is integrally formed when the wire 8 made of rubber having a circular cross section is extruded.
• the locking portion 8a plays the role of an anchor and the pipe 9 is bent even if the pipe 9 is curved.
• the wire 8 for the shears does not come off from 6.
• FIGS. 13 and 15 show a laying device using a tow line according to the fifth embodiment.
• the pipe 49 of the fifth embodiment is made of plastic.
• the pipe has a cut 46 in the longitudinal direction over the entire length of the pipe.
• a moving body 63 that can move in the pive is inserted into the pive 49.
• the moving body 63 has a center axis 69 whose axis coincides with the center of the pipe. Rings 45a and 45b are fixed to both ends of the center shaft 69, and a large number of bearing cases 42a are fixed to the center of the center shaft 69.
• the bearing cases 42a are provided in three rows radially in the center axis direction at equal intervals of 120 degrees around the center axis 69, and three bearing cases are provided in each row. .
• bearing cases 42a bearing balls 42b that can roll on the inner surface of the pipe are accommodated.
• a base end of a metal plate 41 as a connecting member is welded.
• Plate 41 extends out of pive 49 through cut 46.
• Holes 41a and 41b are drilled at the center and at the tip of the plate 41 outside the pipe.
• the hole 41a is used for mooring the first towing line 51 made of fishing line or thin metal wire
• the hole 41b is used for connecting the cable head 70 (Fig. 15).
• the ring 45b in the pipe is for mooring the second traction line 52 made of a weft thread or a thin metal wire.
• the first tow line 51 is routed from the end of the pipe 49, which is the end point of the cable, along the pipe 49, and the second tow line 52 is the vibe, the start point of the cable. Wired into the pipe from the beginning of 49.
• FIG. 13 A method of using the laying device using the towing line of the fifth embodiment configured as described above will be described with reference to FIGS. 13 and 15.
• FIG. 13 A method of using the laying device using the towing line of the fifth embodiment configured as described above will be described with reference to FIGS. 13 and 15.
• FIG. 13 A method of using the laying device using the towing line of the fifth embodiment configured as described above will be described with reference to FIGS. 13 and 15.
• a number of guide rollers 64 are mounted at equal intervals on a rack 53 on which cables are laid.
• pipes 49 are piped along the rack 53 from the start point to the end point of the cable laying through a pipe holder and a fixture (not shown) such that the cut 46 is the lowest in the section of the pipe.
• a reel 71 of the second towing line 52 is provided on the base 72 near the beginning of the pipe 49, and the first towing line 51 of the first towing line 51 is provided near the end of the pipe 49.
• the reel 73 is provided on the base 73.
• FIG. 14 shows a laying device using a tow line according to the sixth embodiment.
• the same reference numerals as those in Fig. 13 indicate the same parts.
• the characteristic configuration of this example is that the first traction line 51 is moored to the ring 45 a at the tip of the central shaft 69 instead of the hole 41 a of the plate 41.
• the towing line 51 is located in the pipe, so that the abrasion or dirt of the towing line 51 can be reduced.
• the moving body 63 anchored with the second towing line 52 is inserted into the pipe 49, and the plate 41 coming out of the cut 46 is grasped by hand. Move 6 3 to the end of pive 4 9.
• the first tow line 51 is moored to the ring 45a, and the reel 71 (Fig. 15) is turned to move the moving object 63 to the pipe 4.
• the cable head 70 is connected to the plate 41.
• the cable is laid by turning the reel 73.
• the pipe 49 is made of plastic and does not use a compressor. Therefore, these devices are simpler and cheaper than the devices of the first to fourth embodiments. There is an advantage that a bull can be laid.
• the wire is described as the connecting member. May be a metal plate having a thickness capable of passing through the cut as shown in the fifth embodiment.
• the device for laying the electric cable has been described.
• the present invention is not limited to this, and can be used as a device for laying another towed cable or wire. Further, the present invention can be applied to a device that handles flammable substances such as organic solvents, cannot use a motor, and conveys an object at a place by compressed air.
• the second traction lines 52 of the fifth and sixth embodiments may be moored to the plate 41, and the pives of the fifth and sixth embodiments may be made of stainless steel.
• the moving body is inserted into the pipe, the wire connected to the moving body is taken out of the pipe from the cut, and the object to be laid or the object is connected to the tip of the pipe, and the compressed air is Alternatively, the towed object is propelled by using a towing line to lay or carry the object or object outside the pive along the pive. Laying or transporting time can be greatly reduced.
• the laying or carrying device of the present invention is useful for laying cables or handling flammable substances such as organic solvents, and for transporting objects in places where electric motors cannot be used.

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Electric Cable Installation (AREA)
• Laying Of Electric Cables Or Lines Outside (AREA)
• Light Guides In General And Applications Therefor (AREA)

Priority Applications (4)

Applications Claiming Priority (4)

Publications (1)

Family

ID=26339733

Family Applications (1)

Country Status (8)

Families Citing this family (9)

Citations (2)

Family Cites Families (15)

• 1995
  • 1995-01-31 KR KR1019950704300A patent/KR100206516B1/ko not_active Expired - Fee Related
  • 1995-01-31 CN CN95190128A patent/CN1077338C/zh not_active Expired - Fee Related
  • 1995-01-31 CA CA002159833A patent/CA2159833C/en not_active Expired - Fee Related
  • 1995-01-31 US US08/525,798 patent/US5645268A/en not_active Expired - Fee Related
  • 1995-01-31 WO PCT/JP1995/000137 patent/WO1995021482A1/ja active IP Right Grant
  • 1995-01-31 DE DE69504607T patent/DE69504607T2/de not_active Expired - Fee Related
  • 1995-01-31 EP EP95907828A patent/EP0696096B1/en not_active Expired - Lifetime
  • 1995-03-31 TW TW084103094A patent/TW278266B/zh active

Patent Citations (2)

Non-Patent Citations (1)

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